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      • Graham Hough의 "Synthesis"理論 序設 : With the problem of criteria as the central figure criteria 문제를 中心으로

        崔壽淵 慶星大學校 1983 부산수산대학 논문집 Vol.4 No.1

        Graham Hough's critical point of view focuses on "a critical synthesis". In short, a complete criticism must arrive at "synthesis" which can be created through the dialectical process between "moral theory" and "formal theory". He also emphasizes that the ultimate purpose of critical activity is "judgement of value". According to Hough's critical attitude, we come to arrive at the conclusion that general criteria for value-judgement may be found in "synthesis" theory. But he evades comment on this criteria. He only represents formal criteria-"integrity" "consonance", "radiance"-and moral criteria-"relevance to life" However, the consistency of Hough's attitude can be derived from the concept of "tension" that he unclearly suggests in "synthesis"theory. If a work of literature is a project, involving both moral and formal activity, the relation between the two sides will be one of tension. So to speak, there always exists "tension"or "a current of energy" in work. Although "tension" may be "strong" or "poor" or "balanced" in the literary work, "tension" can be one of the great criteria in critical in critical literary activity. One is apt to blame Hough's critical attitude as "ecleticism" or "disconsistency". In the chaotic age of criticism, however, it is worthy of his efforts to arrive at the close normative criticism without falling in onesided theory. Furthermore, his critical attitude is very helpful to us as students of literature, no to fall in some critical dogmatism.

      • KCI등재

        진정요법사용에 관한 설문조사

        최영심,심연수 大韓小兒齒科學會 1999 大韓小兒齒科學會誌 Vol.26 No.4

        치과에서 행해지는 진정요법이 안전하게 수행되기 위해서는 환자에 대한 모니터가 필수적이다. 우리나라에서 소아치과의사에 의해 이루어지는 진정요법에 관해 알아보고자 대한소아치과학회 회원 245명을 대상으로 1998 10월 1일부터 1998년 12월 20일까지 진정요법의 사용여부 및 사용하는 진정요법의 빈도, 방법, 사용하는 약물, 용량 결정, 모니터 여부, 응급장비 등에 관한 설문조사를 실시하여 다음과 같은 결론을 얻었다. 1. 설문지 응답자의 29%에서 진정요법을 이용하여 치료를 하는 것으로 조사되었다. 설문지 응답자의 71%에서는 진정요법을 하지 않는 것으로 조사되었다. 2. 진정요법을 사용하는 사람 중 61%에서만 진정요법 치료시 모니터를 사용하는 것으로 조사되었다. 진정요법을 사용하는 사람의 39%에서는 진정요법 치료시 모니터를 사용하지 않는 것으로 조사되었다. 3. 가장 흔하게 사용되는 진정요법은 아산화질소-산소를 이용한 흡입진정요법이었다. 그 외에 경구 투여시 가장 흔하게 사용되는 약물은 chloral hydrate였다. 4. 진정요법을 사용하는 사람의 28%에서만 동의서를 작성하는 것으로 조사되었다. 5. 진정요법을 이용하여 치료를 한다고 응답한 사람의 60%에서만 응급장비를 구비하고 있으며, 응답자의 91%에서 응급처치에 관한 교육이 필요하다고 응답하였다. Monitoring of patients is essential in assuring the safety of sedation in the dental office. The purpose of this study was to explore the utilization and preferences of sedation ,untilization of monitoring methods, and the preparation for emergencies during sedation. Members of the Korean Academy of Pediatric Dentistry were surveyed(n=245) from 1998. 10. 1 to 1998. 12. 20 to establish current trends in the use of sedation practices and monitoring methods in Korea. Findings of the survey include: 1. Twenty nine percent of pediatric dentists use sedative agents in their practices. Seventy one percent of pediatric dentists do not use any sedative agents in their practices 2. Thirty nine percent of pediatric dentists who use sedative agents do so without monitoring devices 3. Nitrous oxide inhalation sedation was the most frequently utilized sedation method by pediatric dentists and chloral hydrate was the most frequently utilized sedative by pediatric dentists. Pulse oximeter was the frequently utilized method during sedation in dental office. 4. Only twenty eight percent of pediatric dentists obtain the informed consent of the child's legal guardian. 5. Only sixty percent of pediatric dentists prepare for emergencies during sedation.

      • 科學으로서의 批評 : 그 妥當性과 問題點 : With Northrop Frye's critical principle as the central figure Northrop Frye의 批評原理를 中心으로

        崔壽淵 경성대학교 1984 부산수산대학 논문집 Vol.5 No.1

        The appearance of New Criticism has brought about the new controversy whether criticism is science or art. In other words, modern critics have classified the function of criticism or its activity into "description" and "value-judgement," and have asserted opposing opinions about this problem. Frye asserts that criticism is science which is the structure of objective knowledge. In short, his critical attitude can be summarized as follow: if criticism is a structure of knowledge, and if knowledge and value are separate, then value cannot be a part of criticism. Finally, he takes the separatism between description and value-judgement. His critical attitude, however, does not accomodate all the basic and important problems of criticism because his principle is very simple and schematic. Krieger and Hirsch dispute Frye's separatism. Krieger insists on anti-separatism, citing Kant's priority of cognition. Hirsch also asserts the necessity of value-judgement, using Kant's aesthetic Eigenschaft. Especially, Hirsch admits the objectivity of value-judgement, referring to Kant's aesthetic universality. In a sense, it seems that he tries to harmonize with the extreme opposite attitudes - Frye's separatiam and Krieger's anti-separatism. If we admit Frye's separatism, firstly we must accept the great cultural sacrifices which abandon artistic quality of literature completely, man's unique aesthetic respones to literature, and its subject value. From this point of view, Frye's assumption-criticism is the structure of knowledge seems to commit "petitio principii. " Secondly, Frye's extreme inductive thought gives rise to the idea that criticism is the attempt of organizing our knowledge of only our past culture. We, however, cannot ignore the importance of deductive philosophy which helps to perceive the present and future culture in the history of human knowledge. However, Frye's critical attitude has some problems which were above mentioned, we cannot deny the significance of his separatism in the history of criticism. When we admit G. Hough's view of the aim of criticism a complete criticism is to "understand literary work rightly on its own plane, and that we may know the better from the worse," Frye's "criticism as science" becomes the first order of work in critical activity.

      • KCI등재후보

        선삭가공에서 절삭력을 이용한 공구마멸의 감지

        윤재웅,이권용,이수철,최종근 한국공작기계학회 2001 한국생산제조학회지 Vol.10 No.1

        The development of flexible automation in the manufacturing industry is concerned with production activities performed by unmanned machining system. A major topic relevant to metal-cutting operations is monitoring tool wear, which affects process efficiency and product quality, and implementing automatic tool replacements. In this paper, the measurement of the cutting force components has been found to provide a method for an in-process detection of tool wear. The static components of cutting force have been used to detect flank wear. To eliminate the influence of variations in cutting conditions, tools, and workpiece material, the force modeling is performed for various cutting conditions. The normalized force disparities are defined in this paper, and the relationships between normalized disparity and flank wear are established. Finally, artificial neural network is used to learn these relationships and detect tool wear. According to the proposed method, the static force components could provide the effective means to detect flank wear for varying cutting conditions in taming operation.

      • 가지의 RAPD 분석을 위한 PCR 최적조건 구명

        최재희,김용철,최인수 밀양대학교 농업기술개발연구소 2000 農業技術開發硏究所報 Vol.4 No.1

        The Purpose of this study was to optimize PCR condition for RAPD analysis in eggplant. 3×3×3 factorial experiment for template DNA concentration, MgCl2 concentration, and amount of taq polymerase was conducted. Another factorial experiment for denature, annealing, extension temperature on the optimal PCR condition was also conducted. The best template DNA concentration was 60ng(0.5unit taq polymerase and 2.5mM MgCl2, 1unit taq polymerase and 2.5mM MgCl2, and 1unit Taq polymerase and 7.0mM MgCl2). Clear bands were observed from 2.5mM, 4.5mM, and 7.0mM of MgCl2 concentration if template DNA concentration and amount of taq polymerase were properly combined. Amount of taq polymerase for the optimal PCR condition was 0.5unit and 1unit when template DNA concentration and MgCl2 concentration were properly combined. When we consider results from template DNA concentration, MgCl2 concentration, and amount of taq polymerase, 3 conditions(60ng of template DNA, 2.5mM MgCl2 and 0.5unit taq polymerase; 60ng of template DNA, 2.5mM MgCl2 and 1unit taq polymerase; and 60ng of template DNA, 7.0mM MgCl2 and 1unit taq polymerase) were best combinations for the optimal PCR condition. Reaction temperatures for the optimal PCR condition were 84℃, 32℃, 62℃; 90℃, 40℃, 72℃; and 92℃, 36℃, 72℃.

      • 전립선 기질세포의 증식과 COX-2 발현에 대한 프로게스테론의 영향

        정수련,김성한,최이화,박지은,전은미,강영진,이광윤,최형철 영남대학교 의과대학 2006 Yeungnam University Journal of Medicine Vol.23 No.1

        전립선비대증은 노인 남성에서 흔히 유발되는 질환이며, 노화가 진행될 수록 빈도가 높아지는 특징을 가진다. 이 질환의 원인은 전립선기질세표의 과도한 증식으로 유발된다고 알려져 있지만 그 자세한 기전에 대해서는 잘 알려져 있지 않다. 전립선비대증에서 progesterone 수용체 양성 세포가 다른 전립선 종양에 비해서 많고, progesterone은 testosterone에서 DHT로 전환되는 것을 감소시키는 역할을 가진다고 알려졋다. 또한 남성 전립선 평활근의 과증식에 의한 질환이므로 평활근 세포의 증식과 관련성이 있다고 보고된 COX-2의 전립선비대증에 대한 영향에 대한 연구가 필요하다. 전립선 기질세포에 progesterone을 3일간 투여하여 배양한 경우 기질세포 증식은 차이가 없었다. Progesterone을 단독 또는 DHT와 같이 투여한 기질세포에서 남성호르몬 수용체 mRNA 발현은 비처리군과 비교하여 유의한 차이가 없었다. 또한 progesterone과 DHT 동시 투여에 의한 COX-2 mRNA 발현에도 차이가 없었다. 그러나 progesterone에 의한 남성 호르몬 수용체와 COX-2 단백 발현에서는 대조군과 비교하여 유의하게 감소시켰다. 이상의 결과는 progesterone은 남성호르몬 수용체에 대해 전사 후 반응 (post-transcriptional response)에 효과를 나타내어 남성호르몬 수용체 발현을 감소시키는 작용은 가지며, COX-2 발현 억제효과를 나타내므로 전립선비대증의 치료에 이용될 수 있을 것으로 사료된다. Background: Benign prostatic hyperplasia (BPH) is the most common benign tumor in older men; the etiology of this disease remains poorly understood. Testosterone and dihydrotestosterone (DHT) both act as androgen via a single androgen receptor. Testosterone is converted to DHT by 5α-reductase in prostatic stromal cells. Progesterone has been reported to inhibit DHT conversion; howevwe, its effect on prostatic stromal cells remains to be elucidated. Materials and Methods: In this experiment, we investigated the effect of progesterone on androgen receptor expression induced by DHT. We also tested the effect of progesterone on cyclooxygenase-2 (COX-2) expression, as well as prostate stromal cell proliferation using the cell count kit-8. Results: Progesterone did not cause an increase of prostate stromal cell proliferation. The mRNA expression of the androgen receptor and COX-2 were not changed by progesterone; the expressions of androgen receptor and COX-2 proteins were decreased by progesterone in prostate stromal cells. Conclusion: These results suggest that in prostate stromal cells, progesterone decreases androgen receptor protein expression, which results in decrement of COX-2 protein expression. This effect might be mediated by post-transcriptional regulation.

      • KCI등재
      • KCI등재

        이소매복된 하악 제2소구치의 자가치아이식을 이용한 치험례

        정윤주,궁화수,최성철,김광철,박재홍 大韓小兒齒科學會 2009 大韓小兒齒科學會誌 Vol.36 No.4

        악골내 이소매복된 치아로 인해 유치의 만기잔존, 교합이상과 같은 교정적인 문제가 발생할 경우 그 해결책으로 주기적 관찰, 최소한의 개입, 교정적 견인, 발치, 그리고 환자 자신의 매복치아를 이용하는 자가이식술 등을 들 수 있다. 자가치아이식은 치아를 구강내의 한 위치에서 다른 발치와나 외과적으로 형성된 치조와로 이동시키는 술식으로, 치아가 교정력을 가할 수 없는 위치에 존재하거나 치아 이동에 제한이 있어 통상적인 치료가 불가능할 경우에 발거에 앞서 고려할 수 있는 방법이다. 자가치아이식은 치료기간을 단축시키고, 치근 형성이 완료되지 않은 어린 환자의 경우 이식된 새로운 위치에서 치근 형성이 이루어지며, 새로운 치조골의 형성을 유도할 수 있다. 본 증례는 하악 우측 제2소구치의 매복과 하악 우측 제2유구치의 만기잔존을 주소로 본원에 내원한 11세 여아로, 하악 우측 제2소구치의 매복의 깊이가 깊고, 방향이 교정적 견인에 불리하다는 점, 미성숙 치근 발육 상태와, 만기잔존한 유구치로 인해 공간 상실이 없다는 점 등을 고려하여 자가치아이식을 시행한 뒤, 1년간의 주기적 관찰 결과, 양호한 결과를 얻어 이에 보고하는 바이다. In the case of the impacted teeth, the clinician has to consider development of tooth, site of impaction, eruption path, and cooperation of patient. Treatment options for the management of impacted teeth are separated into four categories: observation, intervention, orthodontic or surgical relocation and extraction. Autotransplantation may be defined as the transplantation of embedded, impacted or erupted teeth, from one site to another in the same individual into extraction site or surgically prepared sockets. Autotransplantation ensures preservation of natural tooth, induction of alveolar bone growth and root development, offers one of the fastest and most economically feasible means in the replacement of young patients' missing teeth. This case presents a malpositioned impacted mandibular premolar of an 11-year-old girl. It was thought that orthodontic traction was difficult because of its unfavorable impacted position. Therefore the tooth was treated by autotransplantation, we can observe good healing pattern during 12 months.

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